潜江市实施世界银行贷款控制血吸虫病项目效果与效益分析

目的 客观、科学地评估世界银行血防贷款项目对潜江市控制血吸虫病的实际效果与经济效益。方法 按《世界银行血防贷款项目控制血吸虫病经济效益的调查方案》的统一要求，对项目实施情况进行费用与效果和费用与效益调查分析。结果 项目实施9年血吸虫病人群感染率下降56．48％，耕牛感染率下降48．08％；钉螺面积减少1224hm^2，下降42．76％；阳性钉螺面积减少273hm^2，下降17．13％；钉螺感染率下降97．04％。每100人感染率下降1％的费用为1384．47元，每100头牛感染率下降1％的费用为3386．96元，减少1hm^2钉螺面积的灭螺费用为8935．63元。结论 血防项目投入人民币1元收益7．96元，9年共获净效益106 784 700元。

COST-EFFECTIVENESS AND-BENEFIT ANALYSIS OF WORLD BANK LOAN PROJECT ON SCHISTOSOMIASIS CONTROL IN QIANJIANG CITY

Objective To evaluate the cost-effectiveness and -benefit of the World Bank Loan Project on Schistosomiasis Control in Qianjiang City. Methods According to the national scheme the cost-effectiveness and cost-benefit of the project were analysed. Results After the project was carried out for 9 years, poputation schistosome infections rate decreased by 56.48%; cattle infections rate decreased by 48.08%; snail areas reduced 1224 hm 2(42.76%). Infected snail areas reduced 273 hm 2(17.13%). Snail infections rate decreased by 97.04%. The investment for infections rate decreased by 1% in 100 people was 1384.47 yuan. The investment for infections rate decreased by 1% in 100 head of cattle was 3386.96 yuan. The investment to reduce 1 hm 2 snail ares was 8935.63 yuan. Conclusion For one yuan investment, the benefit was 7.96 yuan and the total of the net benefit was 106784700 yuan in 9 years.